public class Test {
    public static void main(String[] args) {
        MySingleList mySingleList = new MySingleList();
        mySingleList.createList();
        mySingleList.display();
        System.out.println(mySingleList.size());
        System.out.println(mySingleList.contains(45));
        mySingleList.addFirst(66);
        mySingleList.display();

    }
}
